/Engine/Source/Editor/UnrealEd/Classes/CookOnTheSide/CookOnTheFlyServer.h
Run the pollable's callback function, from PumpPollables. Calculate the new time and store it in the output.
void RunDuringPump &40; UE::Cook::FTickStackData & StackData, double & OutNewCurrentTime, double & OutNextTimeSeconds &41;